package com.qding.park.common.utils.rchl;


import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class RchlMD5Util {

	public static byte[] MD5_GetByteS(String str) {
		return MD5_GetByteS(str.getBytes());
	}

	public static byte[] MD5_GetByteS(byte[] str) {
		byte[] digesta = null;
		try {
			MessageDigest alga = MessageDigest.getInstance("MD5");
			alga.update(str);
			digesta = alga.digest();
		} catch (Exception e) {
			e.printStackTrace();
		}
		return digesta;
	}

	/***
	 * MD5加码 生成32位md5码
	 */
	public static String string2MD5(String inStr) {
		MessageDigest md5 = null;
		try {
			md5 = MessageDigest.getInstance("MD5");
		} catch (Exception e) {
			System.out.println(e.toString());
			e.printStackTrace();
			return "";
		}
		char[] charArray = inStr.toCharArray();
		byte[] byteArray = new byte[charArray.length];

		for (int i = 0; i < charArray.length; i++)
			byteArray[i] = (byte) charArray[i];
		byte[] md5Bytes = md5.digest(byteArray);
		StringBuffer hexValue = new StringBuffer();
		for (int i = 0; i < md5Bytes.length; i++) {
			int val = ((int) md5Bytes[i]) & 0xff;
			if (val < 16)
				hexValue.append("0");
			hexValue.append(Integer.toHexString(val));
		}
		return hexValue.toString();

	}

	 public static final String getMD5(String s)
			    throws Exception
			  {
			    StringBuffer result = null;
			    try {
			      MessageDigest md = MessageDigest.getInstance("MD5");
			      md.update(s.getBytes("UTF8"));
			      byte[] b = md.digest();
			      result = new StringBuffer();
			      for (int i = 0; i < b.length; i++) {
			        result.append(Integer.toHexString(0xFF & b[i] | 0xFFFFFF00)
			          .substring(6));
			      }

			      return result.toString();
			    }
			    catch (Exception e) {
			      throw e;
			    }
			  }

}
